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Network topology#############################IP Phone ==VLAN 422=== Router ==VLAN 426===CCME RouterHere’s “why” ,”how”, “What happens if” to the commands used in SIP Phone Registration to CCME.voice service voipallow-connections h323 to sipallow-co...
http://www.cisco.com/en/US/tech/tk1077/technologies_tech_note09186a008010edb8.shtml“Note: Cisco IP Phones 7902/05/12 have a different code base from the Cisco 7940/60. Consequently, there is a delayed reply to the network ping with the 7902/05/12, bu...
